-LRB- CNN -RRB- -- Inter Milan took a stranglehold on the Serie A title with a 3-0 win over Cagliari on Sunday which saw them open a 10-point lead over city rivals AC Mlan , who could only manage a goalless draw at Bologna .

Roma 's later 1-0 win at Fiorentina , with Mirko Vucinic scoring the only goal , saw them move into second place above Milan , eight points adrift of Inter but having played a game more .

Milan 's draw continue their disappointing form which began with a defeat in the derby match against reigning champions Inter two weeks ago .

Since then they have drawn their next two matches , with Inter taking full advantage , although they are facing a renewed challenge from Roma , who have gone 12 games without defeat .

Goals from Goran Pandev , Walter Samuel and Diego Milito earned Jose Mourinho 's Inter side a comfortable victory in the San Siro , taking the lead after just six minutes .

Samuel Eto'o , playing his first game since returning from Africa Cup of Nations with Cameroon , set up Pandev to score at the near post .

The second came after 20 minutes as central defender Samuel headed home a Maicon corner .

Cagliari had a goal chalked off for offside which TV replays showed should have stood and Julio Cesar pulled off a brilliant save to deny fellow Brazilian Nene .

There hopes of a revival were ended in the early stages of the second half as a neet move involving Eto'o and the excellent Pandev saw Milito score the third .

Milan had the better chances at Bologna and Ronaldinho hit the crossbar with a spectacular effort in the second half . Late on , captain Mansion Ambrosia also saw an effort rebound off the woodwork .

In other action , Antonio Di Natale scored a hat-trick for Udinese in a 3-1 home win win over Champions League aspirants Napoli .

At the other end of the table , rock-bottom Siena lost 2-1 to Sampdoria , who are also chasing a European place , while troubled Lazio slipped into the relegation zone after a 1-0 defeat at home to Catania .

In the German Bundesliga , Eintracht Frankfurt jumped to seventh with a fine 3-2 away win over Borussia Dortmund .

Benjamin Kohler gave visitors Frankfurt the lead in the eighth minute before Mats Hummels equalized nine minutes later .

Lucas Barrios made it 2-1 for Dortmund in the 57th minute , but goals from Sebastian Jung and Alexander Meier saw Frankfurt to three valuable points .

Mainz kept their unbeaten home run intact as Bo Svensson 's goal near half time saw them beat Borussia Monchengladbach .

In Sunday 's action in Spain 's La Liga , nine-man Sevilla crashed to a 2-1 defeat at Real Zaragoza to slip out of the top four .

Sevilla striker Alvaro Negredo scored an own goal to give Zaragoza a winning lead and was then sent off for violent conduct .

Real Mallorca leapfrog them into fourth as they scored a 10th home victory in a row to beat Villarreal 1-0 .

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Inter Milan go eight points clear in Serie A with a 3-0 home win in the San Siro over Cagliari

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Arch-rivals AC Milan can only draw 0-0 at Bologna to see their title hopes fade

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Roma win 1-0 at Fiorentina to climb above Milan into second place

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Sevilla slip out of top four in Spain with 2-1 defeat to Real Zaragoza